DBM, which stands for Davenport Building Maintenance was founded in 1987 by David Davenport Sr., Lake Elsinore CA. It started with one small construction clean-up account. In 2003 Davencorp Inc. was formed and has served as the parent company of Davenport Building Maintenance Commercial Cleaning & Janitorial Services. For those who work in the fine city of Temecula, the very best team that you could hope to call, is ours, at DBM Commercial Cleaning & Janitorial Services. We are Temecula’s top source for all things commercial cleaning. We help our clients keep their workplaces looking their best. Our team of professionals will provide the best cleaning services, according to the terms you have agreed upon.